High Security Glazing
The Beauty of Curves: Bent Chemically Strengthened Glass Solutions
Bent Chemically Strengthened Glass represents the pinnacle of advanced glass processing, combining the elegant curves of hot bending with the
Bent chemically strengthened glass is a curved glass product that has undergone a chemical strengthening process after being formed into a specific shape. The glass is first cut, edged, bent at high temperature, and then immersed in a molten potassium salt bath. Through ion exchange, sodium ions in the glass surface are replaced by larger potassium ions, creating a compressive stress layer that significantly increases strength.
This process is especially valuable for thin glass, where thermal tempering is difficult or impossible. It allows manufacturers to produce lightweight, impact-resistant, and scratch-resistant curved glass with excellent optical quality. It is widely used in automotive displays, consumer electronics, home appliances, medical equipment, and advanced architectural designs.
Cutting and Shaping: Glass is cut to size and shaped for the required curve.
Edge Processing: Edges are polished, chamfered, or drilled before strengthening.
Bending: Glass is heated and formed into 2D or 3D curves using precision molds.
Chemical Strengthening: The bent glass is immersed in molten potassium salt.
Ion Exchange: Sodium ions are replaced by larger potassium ions, creating compressive stress.
Cooling and Cleaning: The glass is cooled and cleaned for further processing.
Coating and Printing: Optional AR, AG, AF, ITO, or decorative printing.
Inspection: Optical, dimensional, and strength testing before delivery.
Once chemically strengthened, the glass cannot be cut, drilled, or edged without damaging the strengthened layer. All fabrication must be completed before the ion-exchange process.
High strength and scratch resistance
Thin and lightweight construction
Complex 2D and 3D curved shapes
Tight bend radii available
Excellent optical clarity and low haze
Uniform compressive stress layer
Compatible with AR, AG, AF, and low-e coatings
Printable, coatable, and laminatable
Suitable for touch displays and cover glass
Customizable thickness, shape, and finish
Bent chemically strengthened glass enables smooth curves, tight radii, and seamless integration into modern product designs.
It offers high mechanical strength in thin formats, reducing weight in automotive, electronic, and architectural applications.
The ion-exchange process maintains surface smoothness and optical clarity, making it ideal for displays and visual applications.
The compressive layer improves resistance to scratches, impact, and flexural stress.
Unlike thermal tempering, chemical strengthening works well with thin glass, often below 3 mm.
It can be laminated, printed, coated, and integrated with sensors, touch layers, and heating elements.
Automotive: curved dashboards, center displays, instrument clusters, interior trim
Consumer Electronics: curved touch screens, smart watches, wearable devices
Home Appliances: curved control panels, oven doors, refrigerator displays
Medical Devices: diagnostic displays, equipment covers, sterile interfaces
Architecture and Interior Design: curved partitions, furniture, decorative panels
Aerospace and Transport: cockpit displays, train interiors, marine panels
Retail and Hospitality: curved display cases, kiosks, signage
| Parameter | Typical Range |
|---|---|
| Glass Types | Soda-lime, aluminosilicate, borosilicate |
| Thickness | 0.3–6 mm, project-specific |
| Curvature | 2D, 3D, cylindrical, spherical |
| Bend Radius | Tight radii available for thin glass |
| Surface Compressive Stress | 500–900 MPa |
| Depth of Compressive Layer | 30–100 µm |
| Light Transmission | >90% for clear glass |
| Haze | <1% for optical-grade glass |
| Coatings | AR, AG, AF, ITO, low-e, anti-bacterial |
| Edge Treatment | Polished, chamfered, drilled |
| Safety Options | Lamination available for safety glass |
Size, shape, and curvature
Thickness and glass composition
Clear, tinted, or coated surfaces
Anti-glare, anti-reflective, anti-fingerprint finishes
Printed borders, logos, and decorative patterns
Edge polishing, chamfering, and holes
Lamination with PVB, EVA, or TPU
Integration with touch sensors and heating elements
Bent chemically strengthened glass should be tested for:
Surface compressive stress and depth of layer
Bend accuracy and dimensional tolerance
Optical distortion and haze
Impact and flexural strength
Coating adhesion and durability
Thermal shock resistance
Surface quality and scratch resistance
Suppliers should provide test reports and samples for critical applications.
Bent chemically strengthened glass should be handled with clean gloves and protected from edge impacts. During integration, avoid damaging the strengthened surface or edges. Clean with non-abrasive glass cleaners and soft cloths. Do not use harsh chemicals, scrapers, or abrasive pads. For laminated or coated versions, follow the supplier’s cleaning and maintenance guidelines.
1. What is the difference between chemically strengthened and thermally tempered glass?
Chemical strengthening uses ion exchange to create compressive stress, while thermal tempering uses rapid heating and cooling. Chemical strengthening is better for thin and complex curved glass.
2. Can bent chemically strengthened glass be cut after strengthening?
No. Cutting, drilling, and edging must be done before chemical strengthening.
3. Is bent chemically strengthened glass a safety glass?
Not by itself. It can be laminated to provide safety glass performance.
4. Can it be bent after chemical strengthening?
No. Bending is done before chemical strengthening to avoid damaging the strengthened layer.
5. What thicknesses are available?
Typical thicknesses range from 0.3 mm to 6 mm, depending on the application.
6. Can it be used outdoors?
Yes, with appropriate coatings, lamination, and design considerations.
7. What coatings can be applied?
AR, AG, AF, ITO, low-e, anti-bacterial, and decorative coatings are available.
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Related Product
Chemically strengthened glass is a high-performance glass produced by ion exchange, where sodium ions are replaced by larger potassium ions to create a deep compressive stress layer. This makes thin glass stronger, more scratch-resistant, and more impact-resistant while preserving optical clarity. In architecture, it supports slim facades, partitions, balustrades, and doors when laminated for safety. In rail transport, it is used in windows, door vision panels, interior partitions, and display covers, helping meet demanding impact, fire, and durability requirements. In security, it forms a key component of laminated forced-entry and ballistic-resistant glazing, reducing weight and thickness while improving attack resistance. It can be coated, printed, curved, and laminated with PVB, SGP, or polycarbonate. Unlike thermally tempered glass, it can be processed before strengthening and offers excellent strength in thin formats. It is a versatile solution for safer, lighter, and more design-driven glazing across architecture, rail, and security.
Bulletproof & High-lmpact Resistant Glass
Bulletproof and high-impact resistant glass is a specialized security glazing engineered to stop projectiles, absorb impact, and resist forced entry. It is typically made by laminating multiple layers of glass with tough interlayers such as PVB, SGP, TPU, or polycarbonate, sometimes combined with acrylic or polycarbonate sheets. This construction distributes impact energy, prevents penetration, and holds fragments together, protecting people and property. Available in transparent, tinted, and one-way vision options, it can be tested to ballistic standards such as UL 752, EN 1063, and ASTM, as well as forced-entry standards like EN 356. Applications include banks, embassies, government buildings, courtrooms, jewelry stores, cash-in-transit vehicles, armored cars, and VIP transport. It can be curved, insulated, and integrated with access control, intercoms, and voice transmission systems. Customizable in thickness, protection level, and optical performance, it delivers reliable security without sacrificing visibility.
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